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【单选题】
The passage suggests which of the following about coral reef communities?A.
Coral reef communities may actually be more likely to thrive in waters that are relatively low in nutrients.
B.
The nutrients on which coral reef communities thrive are only found in shallow waters.
C.
Human population growth has led to changing ocean temperatures, which threatens coral reef communities.
D.
The growth of coral reef communities tends to destabilize underwater herbivore populations.
E.
Coral reef communities are more complex and diverse than most ecosystems located on dry land.
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